Home / 1,136,465.34-1,568,330.76-620,223.18

Finding the Fourth Proportional to 1,136,465.34, 1,568,330.76 and 620,223.18

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Solution

The fourth proportional to 1,136,465.34, 1,568,330.76 and 620,223.18 is: 855,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,465.34 : 1,568,330.76 = 620,223.18 : x
  2. Step 2: Convert to fraction form
    1,136,465.34/1,568,330.76 = 620,223.18/x
  3. Step 3: Cross multiply
    1,136,465.34x = 1,568,330.76 × 620,223.18
  4. Step 4: Simplify right side
    1,136,465.34x = 972,715,091,259.02
  5. Step 5: Solve for x
    x = 972,715,091,259.02/1,136,465.34
  6. Step 6: Final answer
    x = 855,912.68

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Half scale
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Double scale
Find fourth proportional to 1,136,466.34, 1,568,332.14 and 620,224.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.